Compare 331 vs 613
| Property | 331 | 613 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3311 | 6131 |
| Prime factorization | 331 | 613 |
| Divisors count | 2 | 2 |
| Divisors | 1, 331 | 1, 613 |
| Number of properties | 10 | 13 |
| Additive primes | 39th | |
| Centered square primes | 9th | |
| Cousin primes (1st member) | 28th | |
| Cuban primes 1 | 7th | |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | |
| Isolated primes | 28th | 59th |
| Left-truncatable primes | 36th | |
| Lucky primes | 19th | 30th |
| Primes | 67th | 112th |
| Prime triplets (1st member) | 23rd | |
| Pythagorean primes | 53rd | |
| Sexy primes (1st member) | 37th | 56th |
| Sexy primes (2nd member) | 55th | |
| Sexy prime quadrupletss (3rd member) | 6th | |
| Sexy prime triplets (2nd member) | 23rd | |
| Sexy prime triplets (3rd member) | 22nd | |
| Super primes | 19th | |
| Roman numberals | CCCXXXI | DCXIII |
| Base 2 | 1010010112 | 10011001012 |
| Base 3 | 1100213 | 2112013 |
| Base 4 | 110234 | 212114 |
| Base 5 | 23115 | 44235 |
| Base 6 | 13116 | 25016 |
| Base 7 | 6527 | 15347 |
| Base 8 | 5138 | 11458 |
| Base 9 | 4079 | 7519 |
| Base 10 | 33110 | 61310 |
| Base 11 | 28111 | 50811 |
| Base 12 | 23712 | 43112 |
| Base 13 | 1c613 | 38213 |
| Base 14 | 19914 | 31b14 |
| Base 15 | 17115 | 2ad15 |
| Base 16 | 14b16 | 26516 |